document.write( "Question 980744: if 1 tractor ploughs a field in 5.6 hours and another can plough the same field in 2.8 hours. How long would it take if both were working simultaneously to plough the field \n" ); document.write( "
Algebra.Com's Answer #601845 by Alan3354(69443)\"\" \"About 
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if 1 tractor ploughs a field in 5.6 hours and another can plough the same field in 2.8 hours. How long would it take if both were working simultaneously to plough the field
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\n" ); document.write( "2.8 is 1/2 of 5.6, equivalent to 2 tractors that take 5.6 hours.
\n" ); document.write( "--> 5.6/3 hours together.
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